Synthesis of polysubstituted phenols via [3+3] condensation reaction from tricarbonyl compounds and readily available enaminones, cinnamaldehydes or arylformyl trifluoroacetones
An intermolecular [3 + 3] condensationreaction to synthesize polysubstituted phenols from tricarbonylcompounds and readily available enaminones has been developed. Replacing enaminones with cinnamaldehydes or benzoyl trifluoroacetones, we can also obtain similar polysubstituted phenol skeleton, which enriches the method of these compounds.